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Author  |
Liu, Y.; Tan, Z.-M.; Wu, Z. | ||||
| Title | Noninstantaneous Wave-CISK for the Interaction between Convective Heating and Low-Level Moisture Convergence in the Tropics | Type | $loc['typeJournal Article'] | ||
| Year | 2019 | Publication | Journal of the Atmospheric Sciences | Abbreviated Journal | J. Atmos. Sci. |
| Volume | 76 | Issue | 7 | Pages | 2083-2101 |
| Keywords | Convection; Diabatic heating; Moisture; moisture budget | ||||
| Abstract | The interaction between tropical convective heating and thermally forced circulation is investigated using a global dry primitive-equation model with the parameterization of wave-conditional instability of the second kind (CISK). It is demonstrated that deep convective heating can hardly sustain itself through the moisture convergence at low levels regardless of the fraction of immediate consumption of converged moisture. In contrast, when the fraction is large, shallow convective heating and its forced circulation exhibit preferred growth of small scales. As the “CISK catastrophe” mainly comes from the instantaneous characters of moisture-convection feedback in the conventional wave-CISK, a noninstantaneous wave-CISK is proposed, which highlights the accumulation-consumption (AC) time scale for the convective heating accumulation and/or the converged moisture consumption. In the new wave-CISK, once moisture is converged, the release of latent heat takes place gradually within an AC time scale. In this sense, convective heating is not only related to the instantaneous moisture convergence at the current time, but also to that which occurred in the past period of the AC time scale. The noninstantaneous wave-CISK could guarantee the occurrence of convective heating and/or moisture convergence at larger scales, and then favor the growth of long waves, and thus solve the problem of CISK catastrophe. With the new wave-CISK and AC time scale of 2 days, the simulated convective heating-driven system bears a large similarity to that of the observed convectively coupled Kelvin wave. | ||||
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| Language | Summary Language | Original Title | |||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0022-4928 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 1065 | ||
| Permanent link to this record | |||||
| Author |
Lombardi, K. C. | ||||
| Title | Resolving the Diurnal and Synoptic Variance of Scatterometer Vector Wind Observations | Type | $loc['typeManuscript'] | ||
| Year | 2004 | Publication | Abbreviated Journal | ||
| Volume | Issue | Pages | |||
| Keywords | Rotary Spectra, Least Squares Regression, QSCAT, Midori2, Oceanic Winds | ||||
| Abstract | Scatterometer observations of vector winds are used to examine the amplitudes of synoptic and diurnal cycles. Scatterometers have the advantage of providing global coverage over water; however, irregular temporal sampling complicates the analyses. A least squares technique is used in determination of the amplitudes and phases of the diurnal and synoptic cycles on spatial scales of 5°, 15°, and 30°. In open ocean areas and regions with sufficient open water, the magnitudes of the diurnal and synoptic cycles are 1.0 ms-1 and 3.5ms-1, respectively. Diurnal amplitudes are highest in the polar regions and close to land surfaces due to sea breeze effects. The fraction of variance explained by the diurnal cycle is greatest near the equator. Synoptic amplitudes are consistently larger downwind of land from storm tracks and in the southern polar region as the time analyzed is during the southern winter season. | ||||
| Address | Department of Meteorology | ||||
| Corporate Author | Thesis | $loc['Master's thesis'] | |||
| Publisher | Florida State University | Place of Publication | Tallahassee, FL | Editor | |
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| Funding | NASA, OSU | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 624 | ||
| Permanent link to this record | |||||
| Author |
Luecke, C.A.; Arbic, B.K.; Bassette, S.L.; Richman, J.G.; Shriver, J.F.; Alford, M.H.; Smedstad, O.M.; Timko, P.G.; Trossman, D.S.; Wallcraft, A.J. | ||||
| Title | The Global Mesoscale Eddy Available Potential Energy Field in Models and Observations: GLOBAL LOW-FREQUENCY EDDY APE | Type | $loc['typeJournal Article'] | ||
| Year | 2017 | Publication | Journal of Geophysical Research: Oceans | Abbreviated Journal | J. Geophys. Res. Oceans |
| Volume | 122 | Issue | 11 | Pages | 9126-9143 |
| Keywords | eddy available potential energy; mesoscale eddies; mixing; model‐ data comparison; ocean energy reservoirs; Argo | ||||
| Abstract | Global maps of the mesoscale eddy available potential energy (EAPE) field at a depth of 500 m are created using potential density anomalies in a high‐resolution 1/12.5° global ocean model. Maps made from both a free‐running simulation and a data‐assimilative reanalysis of the HYbrid Coordinate Ocean Model (HYCOM) are compared with maps made by other researchers from density anomalies in Argo profiles. The HYCOM and Argo maps display similar features, especially in the dominance of western boundary currents. The reanalysis maps match the Argo maps more closely, demonstrating the added value of data assimilation. Global averages of the simulation, reanalysis, and Argo EAPE all agree to within about 10%. The model and Argo EAPE fields are compared to EAPE computed from temperature anomalies in a data set of “moored historical observations” (MHO) in conjunction with buoyancy frequencies computed from a global climatology. The MHO data set allows for an estimate of the EAPE in high‐frequency motions that is aliased into the Argo EAPE values. At MHO locations, 15–32% of the EAPE in the Argo estimates is due to aliased motions having periods of 10 days or less. Spatial averages of EAPE in HYCOM, Argo, and MHO data agree to within 50% at MHO locations, with both model estimates lying within error bars observations. Analysis of the EAPE field in an idealized model, in conjunction with published theory, suggests that much of the scatter seen in comparisons of different EAPE estimates is to be expected given the chaotic, unpredictable nature of mesoscale eddies. | ||||
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| ISSN | 2169-9275 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ rl18 @ | Serial | 992 | ||
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| Author |
Magar, V.; Godínez, V.M.; Gross, M.S.; López-Mariscal, M.; Bermúdez-Romero, A.; Candela, J.; and Zamudio, L. | ||||
| Title | In-stream Energy by Tidal and Wind-driven Currents: An Analysis for the Gulf of California | Type | $loc['typeJournal Article'] | ||
| Year | 2020 | Publication | Abbreviated Journal | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 1101 | ||
| Permanent link to this record | |||||
| Author |
Maksimova, E.V. | ||||
| Title | A conceptual view on inertial internal waves in relation to the subinertial flow on the central west Florida shelf | Type | $loc['typeJournal Article'] | ||
| Year | 2018 | Publication | Abbreviated Journal | Sci Rep | |
| Volume | 8 | Issue | 1 | Pages | 15952 |
| Keywords | GRAVITY-WAVES; HARMONIC-ANALYSIS; OCEAN; GENERATION; PATHWAYS; SPECTRUM | ||||
| Abstract | The study reported here focuses on inertial internal wave currents on the west Florida midshelf in 50 m depth. In situ observations showed that the seasonal shifts in stratification change both the frequency range of inertial internal waves and their modulation time scales. According to the analysis, the subinertial flow evolution time scales also undergo compatible seasonal variations, and the inertial internal wave currents appear to be temporally and spatially related to the subinertial flow. Specifically, the subinertial flow evolving on frontal-/quasi-geostrophic time scales appears to be accompanied by the near-inertial oscillations/inertia-gravity waves in corresponding small/finite Burger number regimes, respectively. The quasi-geostrophic subinertial currents on the west Florida shelf are probably associated with the synoptic wind-forced flow, whereas the frontal-geostrophic currents are related to the evolution of density fronts. Further details of this conceptual view should, however, be elucidated in the future. | ||||
| Address | Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, Florida, 32306, USA. evm07c@my.fsu.edu | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 2045-2322 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | 0374060PMC6206015 | Approved | $loc['no'] | ||
| Call Number | COAPS @ rl18 @ | Serial | 982 | ||
| Permanent link to this record | |||||
| Author |
Maloney, E.D.; Gettelman, A.; Ming, Y.; Neelin, J.D.; Barrie, D.; Mariotti, A.; Chen, C.-C.; Coleman, D.R.B.; Kuo, Y.-H.; Singh, B.; Annamalai, H.; Berg, A.; Booth, J.F.; Camargo, S.J.; Dai, A.; Gonzalez, A.; Hafner, J.; Jiang, X.; Jing, X.; Kim, D.; Kumar, A.; Moon, Y.; Naud, C.M.; Sobel, A.H.; Suzuki, K.; Wang, F.; Wang, J.; Wing, A.A.; Xu, X.; Zhao, M. | ||||
| Title | Process-Oriented Evaluation of Climate and Weather Forecasting Models | Type | $loc['typeJournal Article'] | ||
| Year | 2019 | Publication | Bulletin of the American Meteorological Society | Abbreviated Journal | Bull. Amer. Meteor. Soc. |
| Volume | 100 | Issue | 9 | Pages | 1665-1686 |
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| Abstract | Realistic climate and weather prediction models are necessary to produce confidence in projections of future climate over many decades and predictions for days to seasons. These models must be physically justified and validated for multiple weather and climate processes. A key opportunity to accelerate model improvement is greater incorporation of process-oriented diagnostics (PODs) into standard packages that can be applied during the model development process, allowing the application of diagnostics to be repeatable across multiple model versions and used as a benchmark for model improvement. A POD characterizes a specific physical process or emergent behavior that is related to the ability to simulate an observed phenomenon. This paper describes the outcomes of activities by the Model Diagnostics Task Force (MDTF) under the NOAA Climate Program Office (CPO) Modeling, Analysis, Predictions and Projections (MAPP) program to promote development of PODs and their application to climate and weather prediction models. MDTF and modeling center perspectives on the need for expanded process-oriented diagnosis of models are presented. Multiple PODs developed by the MDTF are summarized, and an open-source software framework developed by the MDTF to aid application of PODs to centers' model development is presented in the context of other relevant community activities. The paper closes by discussing paths forward for the MDTF effort and for community process-oriented diagnosis. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0003-0007 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ user @ | Serial | 1088 | ||
| Permanent link to this record | |||||
| Author |
Manghnani, V.; Morrison, J.M.; Xie, L.; Subrahmanyam, B. | ||||
| Title | Heat transports in the Indian Ocean estimated from TOPEX/POSEIDON altimetry and model simulations | Type | $loc['typeJournal Article'] | ||
| Year | 2002 | Publication | Deep Sea Research Part II: Topical Studies in Oceanography | Abbreviated Journal | Deep Sea Research Part II: Topical Studies in Oceanography |
| Volume | 49 | Issue | 7-8 | Pages | 1459-1480 |
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| ISSN | 0967-0645 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 832 | ||
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| Author |
Mariner, V. A. | ||||
| Title | El Nino; Facts, Figures, Images and Predictions | Type | $loc['typeMagazine Article'] | ||
| Year | 1998 | Publication | College & Research Libraries News | Abbreviated Journal | |
| Volume | 59 | Issue | 9 | Pages | 663-667 |
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| Call Number | COAPS @ mfield @ | Serial | 747 | ||
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| Author |
Mask, A.C.; O'Brien, J.J.; Preller, R. | ||||
| Title | Wind-driven effects on the Yellow Sea Warm Current | Type | $loc['typeJournal Article'] | ||
| Year | 1998 | Publication | Journal of Geophysical Research: Oceans | Abbreviated Journal | J. Geophys. Res. |
| Volume | 103 | Issue | C13 | Pages | 30713-30729 |
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| ISSN | 0148-0227 | ISBN | Medium | ||
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| Funding | Approved | $loc['no'] | |||
| Call Number | COAPS @ mfield @ | Serial | 770 | ||
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| Author |
Maue, R.N. | ||||
| Title | Northern Hemisphere tropical cyclone activity | Type | $loc['typeJournal Article'] | ||
| Year | 2009 | Publication | Geophysical Research Letters | Abbreviated Journal | Geophys. Res. Lett. |
| Volume | 36 | Issue | 5 | Pages | |
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| ISSN | 0094-8276 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Funding | NOAA OCO | Approved | $loc['no'] | ||
| Call Number | COAPS @ mfield @ | Serial | 396 | ||
| Permanent link to this record | |||||
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